Vitaliy Borisov @vitaliy-borisov Active 5 years, 3 months ago ActivityProfileSites 1Friends 0Groups 0 PersonalMentionsFavoritesFriendsGroups Show: — Everything — Updates New Sites Posts Comments Friendships New Groups Group Memberships Group Updates Vitaliy Borisov changed their profile picture 12 years ago Vitaliy Borisov changed their profile picture 12 years ago CourseDepartmentFaculty/Staff portfolioProjectStudent portfolio